Belief Update Revisited

Jérôme Lang

Although many papers about belief update have been written, its precise scope still remains unclear. In this paper we aim at identifying this scope, and we show that belief update is a specific case of feedback-free action progression. This strong connection with the field of reasoning about action leads us to reconsider belief update and investigate new issues, especially reverse update, which is to regression what update is to progression.

Subjects: 15.1 Belief Revision


Submitted: Oct 16, 2006

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